WMOD00594

• Title: Investigations of Winter Mountain Storms in Utah during the 1987 Utah/NOAA Field Program
• Date: 1/1/1990
• State: UT
• Weather Modification - Doc Type: Report

TABLE OF CONTENTS

ABS TRA CT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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LIST OF FIGURES...........................................

LIST OF TABLES............................................

1. INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2. 1987 FIELD RESEARCH PROGRAM..........................

a. Experimental approach............................

b. Instrumentation. . . . . . . . . . . . ~ . . . . . . . . . . . . . . . . . . . . .

c. Field organization...............................

d. Work schedule....................................

e. Data management..................................

f. STOR.'-I periods....................................

g. Instrument operational periods...................
3. CLIMATOLOGICAL CONTEXT OF 1987 WEATHER...............

a. Synoptic weather types...........................

b. Rawinsonde data..................................

c. Surface temperature and precipitation............

d. STORM duration... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4 . STORM DATA SUMMARIES.................................

PAGE

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8
8
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26
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31
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48
51

a. Precipitation characteristics..................... 51
b. Supercooled liquid water......................... 56
5. 1987 STORM CASE STUDIES.............................. 99
a. STORM 4: 1500 (13 Feb) - 1100 (14 Feb).......... 99
b. STORM 5: 1600 (15 Feb) - 1400 (16 Feb).......... 128
c. STORM 7: 1000 (23 Feb) - 2300 (25 Feb).......... 156

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